Keyword Density Analyzer - Check Keyword Frequency

Analyze keyword frequency and density percentage in your content. View top 20 keywords with occurrence counts.

How to Use

  • Paste your article or web page content into the text area above.
  • Set the minimum word length filter (default: 3 characters) to exclude short words.
  • Toggle 'Ignore Common Words' to filter out stopwords like 'the', 'and', 'is'.
  • Click 'Analyze' to see the top 20 keywords with their frequency counts and density percentages.
  • Use the results to optimize your content — ideal keyword density is typically 1-3% for primary keywords.

About Keyword Density

What is Keyword Density?

Keyword density is the percentage of times a keyword appears on a web page compared to the total number of words. It is calculated as: (Number of keyword occurrences / Total word count) × 100. Search engines use keyword density as one of many signals to understand what a page is about, though modern algorithms rely more on context and semantic relevance.

Optimal Keyword Density

There is no universally agreed-upon perfect keyword density. Most SEO experts recommend keeping primary keyword density between 1% and 3% for natural-sounding content. Too low density may mean your page doesn't signal relevance clearly; too high density (keyword stuffing) can result in search engine penalties and a poor user experience.

Keyword Stuffing Risks

Keyword stuffing is the practice of overloading a webpage with keywords in an attempt to manipulate search engine rankings. Google's algorithms penalize this practice through filters like Panda. Signs of keyword stuffing include unnatural repetition, text blocks that don't make sense for humans, and keywords appearing in meta tags far more than necessary.

Using Stopwords

Stopwords are common words like 'the', 'and', 'is', 'in', 'at', 'of' that appear frequently but carry little SEO value. Filtering these out gives you a clearer picture of the meaningful keywords in your content. Most keyword analysis tools offer stopword filtering, and enabling it helps you focus on the terms that actually drive search relevance and user intent.

Key Features

  • Analyzes full text and displays top 20 keywords by frequency
  • Shows occurrence count and density percentage for each keyword
  • Configurable minimum word length filter to exclude short words
  • Optional stopword filtering for more meaningful keyword analysis

Common Applications

  • Auditing existing content for keyword optimization
  • Comparing your content keyword distribution against competitors
  • Ensuring target keywords appear with appropriate frequency
  • Identifying unintentional keyword repetition before publishing